The increasing pervasiveness of the Internet has dramatically changed the way that consumers shop for goods. Consumer …

An important issue in economics is how market structure affects prices. While the standard view is that competition … under duopoly if consumer preferences for the two products are more diverse. Focusing on the price for cable modem Internet … access, with or without competition from a digital subscriber line provider, and using education dispersion as a proxy for …

This paper discusses the economics of the Internet backbone. I discuss competition on the Internet backbone as well as … relevant competition policy issues. In particular, I show how public protocols, ease of entry, very fast network expansion …, connections by the same Internet Service Provider (“ISP”) to multiple backbones (ISP multi-homing), and connections by the same …

the emergence and decline of the telecom bubble, the impact on pricing of digitization and the emergence of Internet … carriers), and we point to the real danger that the intent of Congress in passing the 1996 Act to promote competition in …

Although we have many tools to understand the effect of regulation on competition, we know little about the importance … television industry in Spain from 1995 through 2001, which provide an unique opportunity for examining how competition changes …

This paper studies the competition between firms for influencers in a network. Firms spend effort to convince … competition is not intense. Prices are generally lower when consumers are covered by many influencers, however, firms are not …

In this paper we study the implications of service level guarantees (SLGs) in a model of oligopoly competition where … oligopoly models of price competition, greatly simplifying the analysis of this otherwise complex competitive scenario. Notably …

differences between products and increases upstream competition, which benefits the retailer under the wholesale scheme but hurts …' estimated fits to products and softens upstream competition, which hurts the retailer under the wholesale scheme and benefits … very different roles in changing upstream competition, and whether the retailer benefits from reviews critically depends on …